package com.chentf.reggie.controller;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.chentf.reggie.common.R;
import com.chentf.reggie.dto.DishDto;
import com.chentf.reggie.entity.Category;
import com.chentf.reggie.entity.Dish;
import com.chentf.reggie.service.CategoryService;
import com.chentf.reggie.service.DishFlavorService;
import com.chentf.reggie.service.DishService;
import com.fasterxml.jackson.databind.type.MapLikeType;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author chentengfei
 * @desc 菜品管理
 * @date 2022-09-12 00:27:32
 */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);

        return R.success("新增菜品成功!");
    }

    /***
     * 菜品信息分页查询
     * @author chentengfei
     * @date 2022/9/12 19:52
     * @param page
     * @param pageSize
     * @param name
     * @return com.chentf.reggie.common.R<com.baomidou.mybatisplus.extension.plugins.pagination.Page>
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器对象
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        //条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(StrUtil.isNotBlank(name), Dish::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        //执行分页查询
        dishService.page(pageInfo,queryWrapper);

        //对象拷贝,"records"表示忽略拷贝内容
        BeanUtils.copyProperties(pageInfo, dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);
            Long categoryId = item.getCategoryId(); //分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(BeanUtil.isNotEmpty(category)){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        })).collect(Collectors.toList());

        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    /***
     * 根据id查询菜品信息和对应的口味信息
     * @author chentengfei
     * @date 2022/9/12 19:54
     * @param id
     * @return com.chentf.reggie.common.R<com.chentf.reggie.dto.DishDto>
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /***
     * 修改菜品
     * @author chentengfei
     * @date 2022/9/12 19:55
     * @param dishDto
     * @return com.chentf.reggie.common.R<java.lang.String>
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功!");
    }

    /***
     * 单个删除与批量删除菜品
     * @author chentengfei
     * @date 2022/9/12 20:03
     * @param ids
     * @return com.chentf.reggie.common.R<java.lang.String>
     */
    @DeleteMapping
    public R<String> delete(@RequestParam("ids") String ids){
       LambdaQueryWrapper<Dish> lambdaQueryWrapper = new LambdaQueryWrapper();
       lambdaQueryWrapper.in(Dish::getId,ids);
       dishService.remove(lambdaQueryWrapper);
        return R.success("删除菜品成功！");
    }

}
